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A barbed broach is a hand-operated endodontic tool used to remove the pulp tissue during root canal treatments. They have been in widespread use at least since the early 1900s, and their introduction allowed dentists to remove tissue from much smaller root canals than before.
If the soft tissue in the canals is still healthy enough, a special medicated filling can be put into the chamber in an attempt to keep the remaining pulp (in the canals) alive. The process of removing the pulp from the chamber is the actual pulpotomy, though the word is often used for the entire process including placement of the medication.
This is called a pulpectomy. The dentist may also remove just the coronal portion of the dental pulp, which contains 90% of the nerve tissue, and leave intact the pulp in the canals. This procedure, called a "pulpotomy", tends to essentially eliminate all the pain. A pulpotomy may be a relatively definitive treatment for infected primary teeth ...
Miscellaneous endodontic instruments. From left: Lentulo spiral, reamer, K-file and H-file. Hand files can provide tactile sensation when cleaning or shaping root canals. This allows the dentist to feel changes in resistance or angulation, which can help determine curvature, calcification and/or changes in anatomy, in which two dimensional radiographs may not always identif
A universal curette is a double-ended instrument used for periodontal scaling, calculus debridement and root planing. [1] The purpose of the universal curette is to remove small or medium size calculus deposits and can be used both supragingivally and subgingivally. [5]
It is widely used to repair perforations, to close open apices in apexification, as a direct pulp capping material for deep carious tooth, and to cover pulp stumps for apexogenesis. This material possesses great sealing ability, good antimicrobial activity, great biocompatibility, and enhances dentin biomineralization. [ 5 ]
Removal of the necrotic pulp and the inflamed tissue as well as proper sealing of the canals and an appropriately fitting crown will allow the tooth to heal under uninfected conditions. [ 2 ] Surgical options for previously treated teeth that would not benefit from root canal therapy include cystectomy [ 12 ] and cystostomy. [ 12 ]
[6] [7] As a result, necrotic tissue located within the pulp chamber and canals provide nutrients for pathogenic bacteria to grow and form a periapical lesion; [8] the infected tooth serves as a biochemically and physiologically ideal location for bacterial growth and maturation, and, in essence, acts as a refuge from which bacterial ...